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Psychometric assessment of the Chinese version of the brief illness perception questionnaire in breast cancer survivors.
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- المؤلفون: Zhang, Na1; Fielding, Richard1; Soong, Inda2; Chan, Karen K. K.3; Lee, Conrad4; Ng, Alice5; Sze, Wing Kin5; Tsang, Janice6; Lee, Victor6; Lam, Wendy Wing Tak1
- المصدر:
PLoS ONE. 3/20/2017, Vol. 12 Issue 3, p1-10. 10p.
- الموضوع:
- معلومة اضافية
- نبذة مختصرة :
Objective: The eight-item Brief Illness Perception Questionnaire (B-IPQ) supposedly evaluates cognitive and emotional representations of illness. This study examined the validity and reliability of a traditional Chinese version of the B-IPQ in Hong Kong Chinese breast cancer survivors. Methods: 358 Chinese breast cancer survivors who had recently ended their primary treatment completed this B-IPQ Chinese version. Confirmatory factor analysis (CFA) tested the factor structure. The internal consistency, construct, predictive and convergent validities of the scale were assessed. Results: CFA revealed that the original three-factor (cognitive-emotional representations and illness comprehensibility) structure of the B-IPQ poorly fitted our sample. After deleting one item measuring illness coherence, seven-item gave an optimal two-factor (cognitive-emotional representations) structure for the B-IPQ (B-IPQ-7). Cronbach’s alpha for the two subscales were 0.653 and 0.821, and for the overall seven-item scale of B-IPQ was 0.783. Correlations of illness perception and physical symptom distress, anxiety, depression and known-group comparison between different treatment status suggested acceptable construct validity. The association between baseline illness perception and psychological distress at 3-month follow up supported predictive validity. Conclusions: B-IPQ-7 appears to be a moderately valid measure of illness perception in cancer population, potentially useful for assessing illness representations in Chinese women with breast cancer. [ABSTRACT FROM AUTHOR]
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